8*5^17+11*5^18 _____________ (5^9*3)^2*7

Question

8*5^17+11*5^18
_____________
(5^9*3)^2*7

Answer 1

1) 95^17+55
2) 105^18+2
3) 95^72
4) 105^20
5) 95:105^72-20=95:105^52